General description The CCYKXA Roller Brush Accessories for iRobot Roomba Robot Vacuum Cleaner are essential replacement parts designed to enhance the performance of your vacuum. This set includes two high-quality rubber roller brushes that effectively capture dirt and debris from various floor types. Technical specifications Compatible with iRobot Roomba models: i7, i7 Plus, i7+(7550), i8 Plus, i8+(8550), i3, i3 Plus, i3+(3550), i4, i4 Plus, i4+(4552), i6 Plus, i6+(6550), e5(5150), E6(6134, 6198), E7 Material: High-quality rubber with a rubber tread Pack includes: 2 Roller Brushes Usage To maintain optimal performance, regularly clean the roller brushes and replace them every 2-3 months, depending on usage frequency. This will help improve suction power and extend the life of your robot vacuum cleaner. Other information Note: Initial use may produce some sounds, which will diminish with continued use.